[1]彭赵旭,姜 昆,娄天宇,等.基于响应面法优化混凝效果及其机理研究[J].郑州大学学报(工学版),2022,43(04):92-96.[doi:10.13705/j.issn.1671-6833.2021.05.019]
　PENG Zhaoxu,JIANG Kun,LOU Tianyu,et al.Study on the Optimization of Coagulation Effect and Mechanism by Response Surface Methodology[J].Journal of Zhengzhou University (Engineering Science),2022,43(04):92-96.[doi:10.13705/j.issn.1671-6833.2021.05.019]
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基于响应面法优化混凝效果及其机理研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
43
期数:
2022年04期
页码:
92-96
栏目:
出版日期:
2022-07-03

文章信息/Info

Title:
Study on the Optimization of Coagulation Effect and Mechanism by Response Surface Methodology
作者:
彭赵旭;  姜 昆;  娄天宇;  牛宁琪;  王 炬;  李 磊
郑州大学水利科学与工程学院;

Author(s):
PENG Zhaoxu; JIANG Kun; LOU Tianyu; NIU Ningqi; Wang Ju; LI Lei
College of Water Conservancy Science and Engineering,Zhengzhou University,Zhengzhou 450001,China
关键词:
Keywords:
aluminum sulfate; coagulation optimization; response surface method; turbidity; fractal dimension
分类号:
X703. 1
DOI:
10.13705/j.issn.1671-6833.2021.05.019
文献标志码:
A
摘要:
为了考察 pH 值、混凝剂与助凝剂投量、搅拌强度和絮凝时间等因素对混凝过程的综合影响,以硫酸铝作为混凝剂,PAM 作为助凝剂对高岭土原水进行处理,以浊度、絮体平均粒径及分形维度作为响应值,采用响应面法对混凝条件进行优化并对混凝机理进行分析,最终建立了包括所有参数在内的回归模型方程。 结果表明,当原水浊度为 95. 47 NTU 时,在 pH 值为 8. 00、硫酸铝投量为 21. 47 mg / L、PAM 投量为5. 75 mg / L,搅拌强度为 31. 41 r / min,絮凝时间为 19. 37 min 条件下,浊度去除率为 87. 42%,混凝效果极好。 对建立的回归模型方程进行求导分析,得到不同因素对混凝效果的影响权重,发现投药量( 助凝剂、混凝剂) 和 pH 值对混凝效果的影响最为显著,对絮体的形态结构起决定作用;搅拌强度、絮凝时间等工况影响絮体形成速率和最终形态,对混凝效果影响较小。 在最优条件下进行 3 组平行实验,实际浊度与预测值的相对误差为2. 66%,表明该模型对实际工程中优化工况以强化混凝效果具有指导作用。
Abstract:
In order to investigate the comprehensive effects of pH value,coagulant and coagulant aid dosage,stirring strength,and flocculation time on the coagulation process,aluminum sulfate was used as coagulant and PAM as coagulant aid to treat kaolin raw water.Turbidity,average particle size and dimension of flocs were used as response values.The response surface method was used to optimize the coagulation conditions and analyze the coagulation mechanism.Finally,the regression model equation including all parameters was established.The results showed that when the turbidity of raw water was 95.47 NTU,the turbidity removal rate was 87.42% under the conditions of pH value of 8.00,aluminum sulfate dosage of 21.47 mg/L,PAM dosage of 5.75 mg/L,stirring intensity of 31.41 r/min and flocculation time of 19.37 min.It is found that the dosage (coagulant and coagulant aid) and pH value had the most significant influence on the coagulation effect,and played a decisive role in the morphology and structure of flocs.The stirring strength and flocculation time affected the formation rate and final morphology of flocs,whose influence was less than the former.Three parallel experiments were carried out under the optimal conditions,and the relative error between the actual turbidity and the predicted value is 2.66%,which indicated that the model had guiding significance for optimizing the working conditions and enhancing the coagulation effect in practical engineering.

参考文献/References:

[1] AMUDA O S, AMOO I A. Coagulation / flocculation process and sludge conditioning in beverage industrial wastewater treatment[ J] . Journal of hazardous materials,2007,141(3) :778-783. 

[2] 王东升,刘海龙,晏明全,等. 强化混凝与优化混凝: 必要性、研究进展和发展方向[ J] . 环境科学学报, 2006,26(4) : 544-551. 
WANG D S, LIU H L, YAN M Q, et al. Enhanced coagulation vs. optimized coagulation: a critical review [ J] . Acta scientiae circumstantiae, 2006, 26 ( 4 ) : 544-551.
 [3] 贾定田. 影响混凝剂聚合硫酸铁和聚合氯化铁稳定 性 的 原 因 及 机 理 的 研 究 [ D ] . 广 州: 暨 南 大 学,2017. 
JIA D T. Causes and mechanisms study on the stability of polymeric ferric sulfate and polymeric ferric chloride as coagulants[D]. Guangzhou: Jinan University, 2017. 
[4] 陈俊英,周航宇,唐焕妍,等. 响应面法优化纤维素 基载体固定糖化酶的研究[ J] . 郑州大学学报( 工学 版) ,2019,40(2) :66-71. 
CHEN J Y, ZHOU H Y, TANG H Y, et al. Optimization for cellulose carrier immobilized glucoamylase by response surface methodology[J]. Journal of Zhengzhou university (engineering science), 2019, 40(2): 66-71. 
[5] GHAFARI S,AZIZ H A,ISA M H,et al. Application of response surface methodology ( RSM ) to optimize coagulation-flocculation treatment of leachate using poly-aluminum chloride ( PAC) and alum[ J] . Journal of hazardous materials,2009,163(2 / 3) :650-656.
 [6] 王玉,范跃华,王姣,等. 混凝絮凝体的分形与沉降 特性实验研究[ J] . 安全与环境工程,2006,13( 3) : 72-75. 
WANG Y, FAN Y H, WANG J, et al. Experimental research on the properties of fractal and sedimentation of aggregate flocs[ J] . Safety and environmental engineering, 2006, 13(3) : 72-75.
 [7] 常颖,张金松. 絮凝体分形维数投药控制研究[ J] . 环境污染治理技术与设备,2006(4) :46-49.
 CHANG Y, ZHANG J S. Study on dosage control by flocs fractal dimension[ J] . Techniques and equipment for environmental pollution control, 2006(4) : 46-49. 
[8] 李祥林,钟建东. 响应面法优化聚合氯化铝混凝效 果 的 研 究 [ J ] . 中 国 给 水 排 水, 2015, 31 (21) :141-143.
 LI X L, ZHONG J D. Process optimization of PAC coagulation effect by response surface methodology [ J] . China water & wastewater, 2015, 31(21) : 141-143.
 [9] 朱磊. 絮凝体分形维数的实验研究[ D] . 武汉:武汉 科技大学,2011. 
ZHU L. Experimental study on fractal dimension of the aggregates flocs [ D] . Wuhan: Wuhan University of Science and Technology, 2011.
 [10] WEI N, ZHANG Z G, LIU D, et al. Coagulation behavior of polyaluminum chloride: effects of pH and coagulant dosage [ J] . Chinese journal of chemical engineering,2015,23(6) :1041-1046.
 [11] 谢慧娜,李杰,朱雪燕,等. 响应面法优化混凝处理 夏季高浊度黄河水[ J] . 工业水处理,2020,40( 2) : 45-49. 
XIE H N, LI J, ZHU X Y, et al. Optimization of high turbidity Yellow River water in summer by coagulation treatment using response surface methodology[ J] . Industrial water treatment, 2020, 40(2) : 45-49.
 [12] 孙旸,地里百尔·努尔,林晓琼,等. 纤维素酶处理玉 米秸秆工艺条件的优化 [ J] . 吉 林 农 业 大 学 学 报, 2017,39(5) :544-550. 
SUN Y, NUR D, LIN X Q, et al. Optimization of process conditions of maize stalk treated with cellulase [ J] . Journal of Jilin agricultural university, 2017, 39 (5) : 544-550. 
[13] 严煦世,范瑾初. 给水工程[M]. 4 版. 北京:中国建筑 工业出版社,1999. 
YAN X S, FAN J C. Water supply engineering [ M]. Beijing: China Architecture & Building Press, 1999.
 [14] MA J Y,XIA W,FU X,et al. Magnetic flocculation of algae-laden raw water and removal of extracellular organic matter by using composite flocculant of Fe3O4 / cationic polyacrylamide[ J] . Journal of cleaner production,2020,248:119276. 
[15] 卢楠. 微污染水强化混凝试验研究[ D] . 济南:山东 建筑大学,2014. 
LU N. Experimental investigation on enhanced coagulation for micro-polluted water [ D] . Jinan: Shandong Jianzhu University, 2014.
 [16] 夏玮,张蕊,吴根宇,等. 微污染源水的混凝处理及 絮体粒 径 研 究 [ J ] . 土 木 与 环 境 工 程 学 报 ( 中 英 文) ,2020,42(4) :185-193. 
XIA W, ZHANG R, WU G Y, et al. Coagulation treatment of micro-polluted water and study of floc size [ J] . Journal of civil and environmental engineering, 2020, 42(4) : 185-193. 
[17] TALAIEKHOZANI A,TALAEI M R,REZANIA S. An overview on production and application of ferrate (VI) for chemical oxidation, coagulation and disinfection of water and wastewater [ J ] . Journal of environmental chemical engineering,2017,5(2) :1828-1842.

更新日期/Last Update: 2022-10-07